US4859789AExpiredUtility

Diarylnitrones

63
Assignee: GEN ELECTRICPriority: Nov 1, 1982Filed: Mar 5, 1986Granted: Aug 22, 1989
Est. expiryNov 1, 2002(expired)· nominal 20-yr term from priority
Inventors:Bruce F. GriffingPaul R. West
G03F 7/091
63
PatentIndex Score
14
Cited by
2
References
2
Claims

Abstract

Diarylnitrones are provided which are useful for near UV photolithography.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
       1. Diarylnitrones of the formula, ##STR19## where X is an electron withdrawing group in the para position selected from the class consisting of ##STR20## and R 7  is a C.sub.(1-8) alkyl radical. 
     
     
       2. The compound α-(4-diethylaminophenyl-N-(4-ethoxycarbonylphenyl)nitrone.

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